摘要 |
<p>Sealed frameless multiple glazing units comprising at least three panes (1, 3, 5) of glass wherein the air spaces within the unit are hermetically sealed one from the other are believed to be new. The units preferably comprise a fixing assembly wherein the boss is formed from two interlocking parts (21, 25). The two part boss facilitates the assembly of the units and serves to support the weight of the unit.</p> |